<template>
  <div>
        <!-- 面包屑 -->
     <el-breadcrumb separator-class="el-icon-arrow-right">
         <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
         <el-breadcrumb-item>商品管理</el-breadcrumb-item>
         <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>

      <!-- 卡片视图区 -->
      <el-card>
          <!-- 输入搜索框 -->
          <el-row :gutter="20">
              <el-col :span="8">
                  <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                  <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                  </el-input>
              </el-col>

                 <!-- 添加商品按钮 -->
              <el-col :span="4">
                  <el-button type="primary" @click="goAddpage">添加商品</el-button>
              </el-col>
          </el-row>

          <!-- table表格区 -->
          <el-table :data="goodslist" border stripe>
              <el-table-column type="index"></el-table-column>
              <el-table-column label="商品名称" prop="goods_name"></el-table-column>
              <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
              <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
              <el-table-column label="创建时间" prop="add_time" width="140px">
                  <template v-slot="scope">
                      {{scope.row.add_time | dataFormat}}
                  </template>
              </el-table-column>
              <el-table-column label="操作" width="130px">
                  <template v-slot="scope">
                      <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                      <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                  </template>
              </el-table-column>
          </el-table>

           <!-- 分页区 -->
              <el-pagination
                @size-change="handleSizeChange"
                 @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[5, 10, 15, 20]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total" background>
               </el-pagination >
      </el-card>
  </div>
</template>

<script>
export default {
    name:'',
    data() {
        return {
            //查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            //商品列表
            goodslist:[],
            //总数据条数
            total:0
        }
    },

    created(){
        this.getGoodsList()
    },

    methods: {
        //根据分页获取对应的商品列表
       async getGoodsList(){
           const {data:res} = await this.$http.get('goods',{params:this.queryInfo})
           if(res.meta.status !== 200){
               return this.$message.error('获取商品列表失败')
           }
               console.log(res);
               this.goodslist=res.data.goods
               this.total=res.data.total
       },
       handleSizeChange(newSize){
           this.queryInfo.pagesize=newSize
            this.getGoodsList()
       },
       handleCurrentChange(newPage){
           this.queryInfo.pagenum=newPage
           this.getGoodsList()
       },

       //删除商品信息
     async  removeById(id){
          const confirmResult= await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
            }
          ).catch(err=>{
              return err
          })

          //如果用户确认删除,返回confirm
          //如果用户确认删除,返回cancel
          if(confirmResult !== 'confirm'){
              return this.$message.info('已取消删除')
          }

          const {data:res} = await this.$http.delete(`goods/${id}`)
           if(res.meta.status !== 200){
               return this.$message.error('删除失败')
           }
               this.$message.success('删除成功')
               this.getGoodsList()
       },

       //添加商品路由跳转
       goAddpage(){
           this.$router.push('/goods/add')
       }
    },
}
</script>

<style>

</style>